Process 1 then resumes execution in User Mode until a timer interrupt occurs, and the scheduler is activated in Kernel Mode.

然后，直到发生定时器中断且调度程序在内核态被激活，进程1才恢复在用户态下执行。

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Normal interval timer mode with interrupt request.

具有中断请求的正常间隔定时器模式。

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Aim Objective: to master the timer T0, T1 of the mode selection and programming methods, to understand the design method of the interrupt service routine, and learn skills in real-time debugging.

实验目的目的：掌握定时器t0、T1的方式选择和编程方法，了解中断服务程序的设计方法，学会实时程序的调试技巧。

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